Which food has less impact on blood sugar?

SUGAR, ENRICHED FLOUR BLEACHED (WHEAT FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), SOYBEAN OIL, MODIFIED CORN STARCH, CONTAINS 2% OR LESS OF THE FOLLOWING: WHEY, MONO AND DIGLYCERIDES, LEAVENING (BAKING SODA, SODIUM ALUMINUM PHOSPHATE), VITAL WHEAT GLUTEN, SALT, SODIUM STEAROYL LACTYLATE, SORBITAN MONOSTEARATE, CALCIUM ACETATE, NONFAT MILK, GUAR GUM, XANTHAN GUM, POLYSORBATE 60, NATURAL AND ARTIFICAL FLAVORS, SOY FLOUR, EGG, WHOLE EGGS, SOYBEAN OIL, WATER, BLUEBERRIES, SUGAR, ENRICHED WHEAT FLOUR ([NIACIN, REDUCED IRON, THIAMINE, RIBOFLAVIN, FOLIC ACID], MALTED BARLEY FLOUR), SOUR CREAM (CULTURED SOUR CREAM [NONFAT MILK, CREAM, GRADE A WHEY, CORNSTARCH-MODIFIED, SODIUM PHOSPHATE, GUAR GUM, CARRAGEENAN, SODIUM CITRATE, LOCUST BEAN GUM, CULTURES]), POTASSIUM SORBATE (PRESERVATIVE), UNSALTED BUTTER, NONFAT YOGURT (CULTURED PASTURIZED NONFAT MILK, LIVE ACTIVE CULTURES, S. THERMOPHILLS, L. ACIDOPHILUS, BIFIDUS, AND L. CASEL), LEMON PUREE, LEMON EXTRACT, VANILLA FLAVOR (WATER, PROPYLENE GLYCOL, ARTIFICIAL FLAVORS)